package Behavioral.Command;

//调用者
public class Invoker
{
    private Command command;

    public Invoker(Command command)
    {
        this.command=command;
    }

    public void setCommand(Command command)
    {
        this.command=command;
    }

    public void call()
    {
        System.out.println("调用者执行命令command...");
        command.execute();
    }
}
